18032953 has 8 divisors (see below), whose sum is σ = 18532800. Its totient is φ = 17536848.

The previous prime is 18032951. The next prime is 18032969. The reversal of 18032953 is 35923081.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18032953 - 2¹ = 18032951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18032951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10788 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (2316600).

Almost surely, 2^18032953 is an apocalyptic number.

It is an amenable number.

18032953 is a deficient number, since it is larger than the sum of its proper divisors (499847).

18032953 is a wasteful number, since it uses less digits than its factorization.

18032953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 18032953 is about 4246.5224596133. The cubic root of 18032953 is about 262.2339702422.

It can be divided in two parts, 180 and 32953, that added together give a palindrome (33133).

The spelling of 18032953 in words is "eighteen million, thirty-two thousand, nine hundred fifty-three".